diff --git a/module/index/css/index.ui.css b/module/index/css/index.ui.css
index 8d1a7e9701..e5285c7be7 100644
--- a/module/index/css/index.ui.css
+++ b/module/index/css/index.ui.css
@@ -64,7 +64,7 @@
 .app-container.loading:before, .ap p-container.loading::after {transition-delay: 3s;}
 .app-container.loading.open-from-hidden {transition-delay: 0s;}
 .app-container.loading.open-from-hidden > iframe {opacity: 0;}
-.app-container > iframe {width: 100%; height: 100%; background: inherit;}
+.app-container > iframe {width: 100%; height: 100%; background: inherit; transition-duration: .1s;}
 
 .messagers > .messager-holder {max-width: 35%;}
 .messager-notice, .score-notice {align-items: flex-start;}